diff --git a/chore/_xtool/llcppinfofetch/llcppinfofetch.go b/chore/_xtool/llcppinfofetch/llcppinfofetch.go
index a7b2c9c4..177d2400 100644
--- a/chore/_xtool/llcppinfofetch/llcppinfofetch.go
+++ b/chore/_xtool/llcppinfofetch/llcppinfofetch.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"github.com/goplus/llgo/chore/_xtool/llcppsymg/common"
 	"os"
 	"strconv"
 	"unsafe"
@@ -11,31 +12,15 @@ import (
 	"github.com/goplus/llgo/c/clang"
 )
 
-type ASTInformation struct {
-	Namespace string `json:"namespace"`
-	Class     string `json:"class"`
-	Name      string `json:"name"`
-	// BaseClasses []string    `json:"baseClasses"`
-	ReturnType string      `json:"returnType"`
-	Location   string      `json:"location"`
-	Parameters []Parameter `json:"parameters"`
-	Symbol     string      `json:"symbol"`
-}
-
-type Parameter struct {
-	Name string `json:"name"`
-	Type string `json:"type"`
-}
-
 type Context struct {
 	namespaceName string
 	className     string
-	astInfo       []ASTInformation
+	astInfo       []common.ASTInformation
 }
 
 func newContext() *Context {
 	return &Context{
-		astInfo: make([]ASTInformation, 0),
+		astInfo: make([]common.ASTInformation, 0),
 	}
 }
 
@@ -49,8 +34,8 @@ func (c *Context) setClassName(name string) {
 
 var context = newContext()
 
-func collectFuncInfo(cursor clang.Cursor) ASTInformation {
-	info := ASTInformation{
+func collectFuncInfo(cursor clang.Cursor) common.ASTInformation {
+	info := common.ASTInformation{
 		Namespace: context.namespaceName,
 		Class:     context.className,
 	}
@@ -97,12 +82,12 @@ func collectFuncInfo(cursor clang.Cursor) ASTInformation {
 		info.ReturnType = c.GoString(typeStr.CStr())
 		// c.Printf(c.Str("Parameters(%d): ( "), cursor.NumArguments())
 
-		info.Parameters = make([]Parameter, cursor.NumArguments())
+		info.Parameters = make([]common.Parameter, cursor.NumArguments())
 		for i := 0; i < int(cursor.NumArguments()); i++ {
 			argCurSor := cursor.Argument(c.Uint(i))
 			argType := argCurSor.Type().String()
 			argName := argCurSor.String()
-			info.Parameters[i] = Parameter{
+			info.Parameters[i] = common.Parameter{
 				Name: c.GoString(argName.CStr()),
 				Type: c.GoString(argType.CStr()),
 			}
@@ -154,7 +139,7 @@ func visit(cursor, parent clang.Cursor, clientData c.Pointer) clang.ChildVisitRe
 	return clang.ChildVisit_Continue
 }
 
-func parse(filename *c.Char) []ASTInformation {
+func parse(filename *c.Char) []common.ASTInformation {
 	index := clang.CreateIndex(0, 0)
 	args := make([]*c.Char, 3)
 	args[0] = c.Str("-x")
@@ -181,7 +166,7 @@ func parse(filename *c.Char) []ASTInformation {
 
 	return context.astInfo
 }
-func printJson(infos []ASTInformation) {
+func printJson(infos []common.ASTInformation) {
 	root := cjson.Array()
 
 	for _, info := range infos {
diff --git a/chore/_xtool/llcppsymg/llcppsymg.go b/chore/_xtool/llcppsymg/llcppsymg.go
index dafd21d8..54e6b445 100644
--- a/chore/_xtool/llcppsymg/llcppsymg.go
+++ b/chore/_xtool/llcppsymg/llcppsymg.go
@@ -35,10 +35,10 @@ import (
 )
 
 func main() {
-	cfgFile := "llcppg.cfg"
-	if len(os.Args) > 1 {
-		cfgFile = os.Args[1]
-	}
+	cfgFile := "/Users/lixianyu/go/src/llgo/chore/_xtool/llcppsymg/llcppg.cfg"
+	//if len(os.Args) > 1 {
+	//	cfgFile = os.Args[1]
+	//}
 
 	var data []byte
 	var err error
@@ -59,7 +59,7 @@ func main() {
 	files, err := parseHeaderFile(config)
 	check(err)
 
-	symbolInfo := getCommonSymbols(symbols, files)
+	symbolInfo := getCommonSymbols(symbols, files, config.TrimPrefixes)
 
 	jsonData, err := json.MarshalIndent(symbolInfo, "", "  ")
 	check(err)
@@ -195,7 +195,7 @@ func generateHeaderFilePath(cflags string, files []string) []string {
 	return includePaths
 }
 
-func getCommonSymbols(dylibSymbols []common.CPPSymbol, astInfoList []common.ASTInformation) []common.SymbolInfo {
+func getCommonSymbols(dylibSymbols []common.CPPSymbol, astInfoList []common.ASTInformation, prefix []string) []common.SymbolInfo {
 	var commonSymbols []common.SymbolInfo
 	functionNameMap := make(map[string]int)
 
@@ -207,7 +207,7 @@ func getCommonSymbols(dylibSymbols []common.CPPSymbol, astInfoList []common.ASTI
 				symbolInfo := common.SymbolInfo{
 					Mangle: dylibSym.Symbol,
 					CPP:    cppName,
-					Go:     generateMangle(astInfo, functionNameMap[cppName]),
+					Go:     generateMangle(astInfo, functionNameMap[cppName], prefix),
 				}
 				commonSymbols = append(commonSymbols, symbolInfo)
 				break
@@ -226,7 +226,10 @@ func generateCPPName(astInfo common.ASTInformation) string {
 	return cppName
 }
 
-func generateMangle(astInfo common.ASTInformation, count int) string {
+func generateMangle(astInfo common.ASTInformation, count int, prefixes []string) string {
+	// 去除前缀
+	astInfo.Class = removePrefix(astInfo.Class, prefixes)
+	astInfo.Name = removePrefix(astInfo.Name, prefixes)
 	res := ""
 	if astInfo.Class != "" {
 		if astInfo.Class == astInfo.Name {
@@ -254,6 +257,15 @@ func generateMangle(astInfo common.ASTInformation, count int) string {
 	return res
 }
 
+func removePrefix(str string, prefixes []string) string {
+	for _, prefix := range prefixes {
+		if strings.HasPrefix(str, prefix) {
+			return strings.TrimPrefix(str, prefix)
+		}
+	}
+	return str
+}
+
 var (
 	reSubcmd = regexp.MustCompile(`\$\([^)]+\)`)
 	reFlag   = regexp.MustCompile(`[^ \t\n]+`)